Ramírez Culter, Gustavo Arcelio Ramírez Castrillón, humanista sin fronteras - [s.n.] - 450 p. ; 21 cm. Subjects--Personal Names: RAMIREZ CASTRILLON, ARCELIO Subjects--Topical Terms: HUMANISMO SIN FRONTERAS Dewey Class. No.: 092/R145a/06.1.052